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makkiz [27]
2 years ago
12

The volume of a fish tank is 50 cubic feet. if the density is 0.2 fish over feet cubed, how many fish are in the tank? 5 10 125

250
Mathematics
1 answer:
Agata [3.3K]2 years ago
4 0

Answer: 10

Step-by-step explanation:

I just took the test!! :)

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Which number goes in the box to make a true equation?<br> ]X 10 = 42.000
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Answer:

x=4200

Step-by-step explanation:

10x=42000

x=4200

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3 years ago
Pythagorean Theorem
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A(squared)+B(squared)=C(squared)
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Construct the graph of the equation y=kx if it is known that the point B belongs to the graph. The graph of which of these two e
PIT_PIT [208]

Answer:

The graph with B(2,-3) i.e) y=\frac{-3}{2} x goes through the point M(-10,15).

Step-by-step explanation:

Consider M(-10,15) and given that equation is y = kx.

Now, substitute M(-10,15) in the equation

⇒ 15 = k × -10

⇒ k = \frac{15}{-10} = \frac{-3}{2}

⇒ y = \frac{-3}{2} x

Now, check with the given points B(2,-3) and B(3\frac{1}{3} , -2)

1) B(2,-3)

y = \frac{-3}{2} x

⇒(-3) = \frac{-3}{2} × 2

⇒ -3 = -3 ⇒ LHS = RHS

⇒ B(2,-3) is the required point.

2) for b(3\frac{1}{3} , -2)

LHS ≠ RHS.

So,The graph with B(2,-3) i.e) y=\frac{-3}{2} x goes through the point M(-10,15).

8 0
3 years ago
While exercising, a person’s recommended target heart rate is a function of age. The recommended number of beats per minute, y ,
Deffense [45]

Answer:

170 heart beat per minute.

Step-by-step explanation:

While exercising, a person’s recommended target heart rate is a function of age. The recommended number of beats per minute, y, is given by the function y = f(x) = − 0.85x + 187 where x represents a person’s age in years.

So, if my age is 21 years i.e. x = 21, then the number of recommended heart beats per minute for my age will be

y = f(21) = - 0.85(21) + 187 = - 17.85 + 187 = 169.15 ≈ 170. (Answer)

{Taking the larger integer value}

8 0
3 years ago
yul has lunch at a restaurant. If his bill is 14.50 and yul wants to leave 20% tip, what is the amount he should leave for the t
kodGreya [7K]
If you would like to know what is the amount of money Yul should leave for the tip, you can calculate this using the following steps:

20% of $14.50 = 20% * 14.50 = 20/100 * 14.50 = $2.9

Result: Yul should leave $2.9 for the tip.
6 0
3 years ago
Read 2 more answers
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